[1] Univ Alabama Birmingham, Birmingham, AL USA
[2] Univ Toronto, Toronto, ON, Canada
[3] Boston Childrens Hosp, Brookline, MA USA
[4] Duke Univ, Durham, NC USA
[5] Childhood Arthrit & Rheumatol Res Alliance CARRA, Whitehouse Stn, NJ USA
[6] Hackensack Univ, Med Ctr, Westwood, NJ USA
[7] Duke Univ, Med Ctr, Durham, NC USA
[8] Genentech Inc, San Francisco, CA 94080 USA
[9] Genentech Inc, Englewood, CO USA
[10] Hackensack Univ, Med Ctr, New York, NY USA